Aero Precision Enhanced Lower Receiver

The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.

We DO NOT sell/ship firearms to the following states: California, Connecticut, Hawaii, Maryland, Massachusetts, New Jersey, New York, Oregon and the District of Columbia.

**All firearms SHALL be shipped to an approved Federal Firearms License holder.**

These items are regulated, therefore your entire order will be shipped to an FFL dealer of your choosing. After you place your order, we will contact you to finalize these details.